Hulk did something

[bytom/vapor.git] / vendor / golang.org / x / net / internal / socket / msghdr_linux.go

diff --git a/vendor/golang.org/x/net/internal/socket/msghdr_linux.go b/vendor/golang.org/x/net/internal/socket/msghdr_linux.go
new file mode 100644 (file)
index 0000000..5a38798
--- /dev/null
+++ b/vendor/golang.org/x/net/internal/socket/msghdr_linux.go
@@ -0,0 +1,36 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package socket
+
+import "unsafe"
+
+func (h *msghdr) pack(vs []iovec, bs [][]byte, oob []byte, sa []byte) {
+       for i := range vs {
+               vs[i].set(bs[i])
+       }
+       h.setIov(vs)
+       if len(oob) > 0 {
+               h.setControl(oob)
+       }
+       if sa != nil {
+               h.Name = (*byte)(unsafe.Pointer(&sa[0]))
+               h.Namelen = uint32(len(sa))
+       }
+}
+
+func (h *msghdr) name() []byte {
+       if h.Name != nil && h.Namelen > 0 {
+               return (*[sizeofSockaddrInet6]byte)(unsafe.Pointer(h.Name))[:h.Namelen]
+       }
+       return nil
+}
+
+func (h *msghdr) controllen() int {
+       return int(h.Controllen)
+}
+
+func (h *msghdr) flags() int {
+       return int(h.Flags)
+}